.page-privacy {
  --pp-rail: 190px;
  --pp-gap: clamp(32px, 5vw, 64px);
  --pp-hair: rgba(148, 167, 184, 0.16);
  --pp-soft: rgba(244, 241, 234, 0.05);
  --pp-soft-line: rgba(244, 241, 234, 0.1);
  --pp-body: rgba(244, 241, 234, 0.84);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
  font-family: var(--font-body);
}

/* ── 顶部抽象纹理横幅 ── */
.page-privacy .pp-banner {
  position: relative;
  height: clamp(120px, 20vw, 220px);
  overflow: hidden;
  background: var(--panel-1);
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.65);
}

.page-privacy .pp-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 27, 43, 0.32), rgba(11, 27, 43, 0.98) 86%),
    repeating-linear-gradient(90deg, rgba(34, 211, 238, 0.05) 0 1px, transparent 1px 72px);
}

/* ── 页面容器 ── */
.page-privacy .pp-shell {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(36px, 6vw, 64px) var(--gutter) clamp(72px, 9vw, 120px);
}

.page-privacy .crumbs {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-privacy .crumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--paper);
  border-bottom-color: rgba(244, 241, 234, 0.4);
}

/* ── 首屏 ── */
.page-privacy .pp-hero {
  max-width: 760px;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.page-privacy .pp-hero .display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 20px;
}

.page-privacy .pp-hero .lede {
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--pp-body);
  max-width: 62ch;
  margin: 0;
}

/* ── 双栏骨架 ── */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: var(--pp-rail) minmax(0, 1fr);
  column-gap: var(--pp-gap);
  align-items: start;
}

.page-privacy .pp-content {
  min-width: 0;
  max-width: 720px;
}

/* ── 章节目录 ── */
.page-privacy .anchor-rail {
  position: sticky;
  top: 104px;
  align-self: start;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
}

.page-privacy .anchor-rail ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy .anchor-rail a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 14px;
  border-left: 1px solid var(--pp-hair);
  font-size: 13px;
  line-height: 1.5;
  color: var(--fog);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .anchor-rail a .rail-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(148, 167, 184, 0.7);
  flex: none;
  transition: color 200ms var(--ease);
}

.page-privacy .anchor-rail a:hover,
.page-privacy .anchor-rail a:focus-visible {
  color: var(--paper);
}

.page-privacy .anchor-rail a.is-active {
  color: var(--paper);
  border-left-color: var(--lime);
}

.page-privacy .anchor-rail a.is-active .rail-no {
  color: var(--lime);
}

/* ── 章节 ── */
.page-privacy .privacy-section {
  margin-top: clamp(40px, 5.5vw, 64px);
  padding-top: clamp(28px, 3.5vw, 40px);
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: 110px;
}

.page-privacy .privacy-section:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .sec-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-privacy .sec-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan-mist);
  background: rgba(34, 211, 238, 0.07);
  border: 1px solid rgba(127, 231, 245, 0.28);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-privacy .sec-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 0;
}

.page-privacy .privacy-section p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-body);
  max-width: 66ch;
  margin: 0 0 16px;
}

.page-privacy .privacy-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-section a {
  color: var(--cyan-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 231, 245, 0.35);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .privacy-section a:hover,
.page-privacy .privacy-section a:focus-visible {
  color: var(--lime);
  border-bottom-color: rgba(182, 255, 60, 0.6);
}

/* ── 要点列表 ── */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--pp-body);
  margin-bottom: 14px;
}

.page-privacy .pp-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0.7;
}

.page-privacy .pp-list li strong,
.page-privacy .keep-body b {
  color: var(--paper);
  font-weight: 600;
}

/* ── 保留期限表 ── */
.page-privacy .keep-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .keep-list li {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 6px 18px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid rgba(148, 167, 184, 0.12);
}

.page-privacy .keep-list li:first-child {
  border-top: 1px solid rgba(148, 167, 184, 0.12);
}

.page-privacy .keep-type {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan-mist);
}

.page-privacy .keep-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--pp-body);
}

/* ── 折叠面板 ── */
.page-privacy .collapsible {
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius-m);
  background: rgba(18, 41, 63, 0.42);
  margin-bottom: 12px;
  overflow: hidden;
}

.page-privacy .collapsible-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .collapsible-summary::-webkit-details-marker {
  display: none;
}

.page-privacy .collapsible-summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-right: 2px solid var(--cyan-mist);
  border-bottom: 2px solid var(--cyan-mist);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease), margin-top 200ms var(--ease);
}

.page-privacy .collapsible[open] .collapsible-summary::before {
  transform: rotate(225deg);
  margin-top: 4px;
}

.page-privacy .collapsible-body {
  padding: 0 18px 18px;
}

.page-privacy .collapsible-body p {
  font-size: 15px;
  line-height: 1.74;
  color: var(--pp-body);
  margin: 0;
}

/* ── 权利项 ── */
.page-privacy .right-grid {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.page-privacy .right-item {
  background: var(--pp-soft);
  border: 1px solid var(--pp-soft-line);
  border-radius: var(--radius-m);
  padding: 16px 18px;
}

.page-privacy .right-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-privacy .right-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pp-body);
}

/* ── 复制行 ── */
.page-privacy .copy-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 4px;
}

.page-privacy .copy-hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
  word-break: break-all;
}

/* ── 相关页面 ── */
.page-privacy .pp-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: 28px;
  border-top: 1px solid var(--pp-hair);
}

.page-privacy .pp-related a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 167, 184, 0.22);
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease);
}

.page-privacy .pp-related a:hover,
.page-privacy .pp-related a:focus-visible {
  border-color: rgba(182, 255, 60, 0.5);
  background: rgba(182, 255, 60, 0.06);
  color: var(--lime);
}

/* ── 平板：目录收为横向胶囊条 ── */
@media (max-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 30px;
  }

  .page-privacy .pp-content {
    max-width: 720px;
  }

  .page-privacy .anchor-rail {
    position: sticky;
    top: 74px;
    z-index: 3;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    margin: 0 calc(var(--gutter) * -1);
    padding: 6px var(--gutter) 12px;
    background: linear-gradient(180deg, var(--ink) 72%, rgba(11, 27, 43, 0));
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .anchor-rail::-webkit-scrollbar {
    display: none;
  }

  .page-privacy .anchor-rail ol {
    flex-direction: row;
    gap: 8px;
  }

  .page-privacy .anchor-rail a {
    border-left: 0;
    border: 1px solid rgba(148, 167, 184, 0.22);
    border-radius: var(--radius-pill);
    padding: 7px 13px;
    white-space: nowrap;
    background: rgba(11, 27, 43, 0.72);
  }

  .page-privacy .anchor-rail a.is-active {
    border-color: var(--lime);
    background: rgba(182, 255, 60, 0.08);
  }
}

/* ── 手机 ── */
@media (max-width: 620px) {
  .page-privacy .pp-banner {
    height: 120px;
  }

  .page-privacy .keep-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-privacy .privacy-section p {
    font-size: 15.5px;
    line-height: 1.76;
  }

  .page-privacy .pp-list li {
    font-size: 15px;
  }

  .page-privacy .collapsible-summary {
    font-size: 14px;
    padding: 14px 15px;
  }

  .page-privacy .collapsible-body {
    padding: 0 15px 16px;
  }

  .page-privacy .right-item {
    padding: 14px 15px;
  }
}

@media (min-width: 760px) {
  .page-privacy .right-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .anchor-rail a,
  .page-privacy .collapsible-summary::before,
  .page-privacy .pp-related a,
  .page-privacy .privacy-section a {
    transition: none;
  }
}